MSS1038T Series

High Temperature Power Inductors

Coilcraft MSS1038T Series shielded surface-mount power inductors feature low DC resistance and excellent current handling in a wide range of inductance values, making them a cost-effective option for a variety of general-purpose applications.

Low-loss ferrite drum core for flat inductance vs current
Low DC resistance for greater efficiency
Excellent current handling
Magnetic shielding allows high-density mounting
AEC-Q200 Grade 1 (−40°C to +125°C)

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Count	Unit price
1	$2.04
250	$1.34
500	$0.80
1000	$0.63
2500	$0.55
5000	$0.50

For high volume or non-stock items, request a quote.

Termination

L = Matte tin over nickel

Packaging

C = 7" machine-ready reel

Tolerance

N = 30%

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Specifications

Electrical specifications at 25°C.

Part number 1	Inductance (µH) 2	Tolerance (%)	DCR max (mΩ) 3	SRF typ (MHz) 4	Isat (A) 5			Irms (A) 6
Part number 1	Inductance (µH) 2	Tolerance (%)	DCR max (mΩ) 3	SRF typ (MHz) 4	10% drop	20% drop	30% drop	20°C rise	40°C rise
MSS1038T-821NL_	0.82	30	6.0	138	9.0	11.2	12.1	7.3	10.0
MSS1038T-152NL_	1.5	30	8.1	81.0	7.4	9.5	11.1	5.6	7.9
MSS1038T-252NL_	2.5	30	10.0	61.0	5.7	7.6	9.3	4.7	6.7
MSS1038T-382NL_	3.8	30	13.0	45.0	4.9	6.5	7.6	4.3	6.1
MSS1038T-522NL_	5.2	30	22.0	37.0	4.0	5.3	6.1	3.6	5.1
MSS1038T-702NL_	7.0	30	27.0	33.0	3.6	4.7	5.6	3.1	4.4
MSS1038T-103NL_	10	30	35.0	29.0	3.0	3.9	4.5	2.9	4.1
MSS1038T-123ML_	12	20	41.0	25.0	2.7	3.5	4.0	2.9	4.0
MSS1038T-153ML_	15	20	50.0	21.0	2.8	3.4	3.9	2.7	3.8
MSS1038T-183ML_	18	20	65.0	18.0	2.4	3.1	3.5	2.3	3.4
MSS1038T-223ML_	22	20	73.0	15.0	2.3	2.9	3.3	1.9	2.9
MSS1038T-273ML_	27	20	89.0	15.0	2.0	2.5	2.8	1.7	2.4
MSS1038T-333ML_	33	20	93.0	13.0	1.8	2.3	2.6	1.6	2.3
MSS1038T-393ML_	39	20	112	12.0	1.6	2.0	2.3	1.6	2.3
MSS1038T-473ML_	47	20	128	11.0	1.6	2.0	2.2	1.5	2.2
MSS1038T-563ML_	56	20	180	11.0	1.5	1.8	2.0	1.4	1.9
MSS1038T-683ML_	68	20	213	10.0	1.3	1.6	1.8	1.2	1.8
MSS1038T-823ML_	82	20	261	8.0	1.1	1.4	1.6	1.1	1.5
MSS1038T-104ML_	100	20	304	6.0	1.0	1.3	1.5	1.1	1.5
MSS1038T-124KL_	120	10	380	6.0	0.95	1.2	1.3	0.85	1.3
MSS1038T-154KL_	150	10	506	6.0	0.89	1.1	1.2	0.80	1.2
MSS1038T-184KL_	180	10	582	5.0	0.89	1.0	1.2	0.71	0.98
MSS1038T-224KL_	220	10	756	5.0	0.72	0.88	0.99	0.70	0.97
MSS1038T-274KL_	270	10	926	4.0	0.66	0.81	0.91	0.65	0.86
MSS1038T-334KL_	330	10	1090	4.0	0.59	0.73	0.82	0.50	0.69
MSS1038T-394KL_	390	10	1141	4.0	0.51	0.65	0.74	0.49	0.65
MSS1038T-474KL_	470	10	1243	3.0	0.50	0.62	0.70	0.45	0.63
MSS1038T-564KL_	560	10	1696	3.0	0.43	0.53	0.56	0.43	0.59
MSS1038T-684KL_	680	10	1926	3.0	0.38	0.48	0.52	0.36	0.50
MSS1038T-824KL_	820	10	2596	3.0	0.37	0.46	0.49	0.34	0.47
MSS1038T-105KL_	1000	10	2853	3.0	0.35	0.43	0.46	0.33	0.45

Notes

When ordering, please specify termination and packaging codes: e.g. MSS1038T-105KLC
Inductance measured at 100 kHz, 0.1 Vrms using an Agilent/HP 4263B LCR meter or equivalent.
DCR measured at 25°C on a micro-ohmmeter. For other operating temperatures, use this DCR at Temperature calculator.
SRF measured using an Agilent/HP 8753D network analyzer or equivalent. Details
Isat: DC current at 25°C that causes the specified inductance drop from its value without current. Temperature derating curves.
Irms: Current that causes the specified temperature rise from 25°C ambient. This information is for reference only and does not represent absolute maximum ratings. Temperature derating curves.

Termination:

L = RoHS compliant matte tin over nickel over copper.
T = RoHS tin-silver-copper (95.5/4/0.5). (Special order, added cost)
S = non-RoHS tin-lead (63/37). (Special order, added cost)

Packaging:

C = 7″ machine-ready reel. EIA-481 embossed plastic tape (250 parts per full reel).
B = Less than full reel. In tape, but not machine ready. To have a leader and trailer added ($25 charge), use code letter C instead.
D = 13″ machine-ready reel. EIA-481 embossed plastic tape. Factory order only, not stocked (1000 parts per full reel).

Environmental

Environmental:

RoHS compliant

Ambient temperature range:

–40°C to +125°C with (40°C rise) Irms current

Storage temperature range:

Component: –40°C to +165°C.
Tape and reel packaging: –40°C to +80°C

Maximum part temperature:

+165°C (Ambient + temperature rise)

Failures in Time (FIT) / Mean Time Between Failures (MTBF):

See FIT/MTBF Calculations

Performance curves

Inductance vs. Current

Inductance vs. Frequency

Physical characteristics

Tape and Reel specification

Parts per reel		Reel dimensions (mm)					Tape dimensions (mm)						Orientation ‡
7" (178 mm)	13" (330 mm)	A	B	C	D	E	W	P	Po	P1	H	T
250	1000*	178/330	60/100	13	30,4	24,4	24	16	4	2	4,3	0,35

* Special order
‡ Part marking does not indicate polarity

General specification

Core Material:

Ferrite

Weight:

1.5 g

Packaging:

250/7″ reel; 1000/13″ reel; Plastic tape: 24 mm wide, 0.35 mm thick, 16 mm pocket spacing, 4.3 mm pocket depth

Soldering/Washing

Moisture Sensitivity Level (MSL):

1 (unlimited floor life at <30°C / 85% relative humidity)

Resistance to soldering heat:

Max three 40 second reflows at +260°C, parts cooled to room temperature between cycles

Refer to Soldering Coilcraft Components before soldering.

PCB Washing:

Tested to MIL-STD-202 Method 215 plus an additional aqueous wash. More info.

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MSS1038T Series

High Temperature Power Inductors

Selected configuration not available

Specifications

Termination:

Packaging:

Performance curves

Inductance vs. Current

Inductance vs. Frequency

Physical characteristics

Tape and Reel specification

General specification

Soldering/Washing

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